Updated mediawiki/extensions
Project: mediawiki/extensions/Score  9d5998c312d95f508bc6ba65cea76d3926162e10

use lilypond ps backend instead of eps to reduce memory usage

with eps backend lilypond requires more than the available 100Mb to
create the png of the score.

Bug: 46374
Change-Id: I871dd28d367b0f9ecdf4637bef4f67fdc6129194